src/fs/test_fs_unindex_persistence.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2004, 2005, 2006, 2008, 2009, 2010 Christian Grothoff (and other contributing authors)
   4
   5      GNUnet is free software; you can redistribute it and/or modify
   6      it under the terms of the GNU General Public License as published
   7      by the Free Software Foundation; either version 2, or (at your
   8      option) any later version.
   9
  10      GNUnet is distributed in the hope that it will be useful, but
  11      WITHOUT ANY WARRANTY; without even the implied warranty of
  12      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13      General Public License for more details.
  14
  15      You should have received a copy of the GNU General Public License
  16      along with GNUnet; see the file COPYING.  If not, write to the
  17      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18      Boston, MA 02111-1307, USA.
  19 */
  20
  21 /**
  22  * @file fs/test_fs_unindex_persistence.c
  23  * @brief simple testcase for simple publish + unindex operation
  24  * @author Christian Grothoff
  25  */
  26 #include "platform.h"
  27 #include "gnunet_util_lib.h"
  28 #include "gnunet_arm_service.h"
  29 #include "gnunet_fs_service.h"
  30
  31 #define VERBOSE GNUNET_NO
  32
  33 #define START_ARM GNUNET_YES
  34
  35 /**
  36  * File-size we use for testing.
  37  */
  38 #define FILESIZE (1024 * 1024 * 2)
  39
  40 /**
  41  * How long until we give up on transmitting the message?
  42  */
  43 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  44
  45 /**
  46  * How long should our test-content live?
  47  */
  48 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  49
  50 struct PeerContext
  51 {
  52   struct GNUNET_CONFIGURATION_Handle *cfg;
  53 #if START_ARM
  54   pid_t arm_pid;
  55 #endif
  56 };
  57
  58 static struct PeerContext p1;
  59
  60 static struct GNUNET_TIME_Absolute start;
  61
  62 static struct GNUNET_SCHEDULER_Handle *sched;
  63
  64 static struct GNUNET_FS_Handle *fs;
  65
  66 static struct GNUNET_FS_UnindexContext *unindex;
  67
  68 static struct GNUNET_FS_PublishContext *publish;
  69
  70 static char *fn;
  71
  72 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  73
  74 static void
  75 abort_publish_task (void *cls,
  76                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  77 {
  78   GNUNET_FS_publish_stop (publish);
  79   publish = NULL;
  80 }
  81
  82
  83 static void
  84 abort_unindex_task (void *cls,
  85                     const struct GNUNET_SCHEDULER_TaskContext *tc)
  86 {
  87   GNUNET_FS_unindex_stop (unindex);
  88   unindex = NULL;
  89   GNUNET_DISK_directory_remove (fn);
  90   GNUNET_free (fn);
  91   fn = NULL;
  92 }
  93
  94
  95 static void *
  96 progress_cb (void *cls,
  97              const struct GNUNET_FS_ProgressInfo *event);
  98
  99
 100 static void
 101 restart_fs_task (void *cls,
 102                  const struct GNUNET_SCHEDULER_TaskContext *tc)
 103 {
 104   GNUNET_FS_stop (fs);
 105   fs = GNUNET_FS_start (sched,
 106                         cfg,
 107                         "test-fs-unindex-persistence",
 108                         &progress_cb,
 109                         NULL,
 110                         GNUNET_FS_FLAGS_PERSISTENCE,
 111                         GNUNET_FS_OPTIONS_END);
 112 }
 113
 114
 115 /**
 116  * Consider scheduling the restart-task.
 117  * Only runs the restart task once per event
 118  * category.
 119  *
 120  * @param ev type of the event to consider
 121  */
 122 static void
 123 consider_restart (int ev)
 124 {
 125   static int prev[32];
 126   static int off;
 127   int i;
 128   for (i=0;i<off;i++)
 129     if (prev[i] == ev)
 130       return;
 131   prev[off++] = ev;
 132   GNUNET_SCHEDULER_add_with_priority (sched,
 133                                       GNUNET_SCHEDULER_PRIORITY_URGENT,
 134                                       &restart_fs_task,
 135                                       NULL);
 136 }
 137
 138
 139 static void *
 140 progress_cb (void *cls,
 141              const struct GNUNET_FS_ProgressInfo *event)
 142 {
 143   switch (event->status)
 144     {
 145     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 146 #if VERBOSE
 147       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 148               (unsigned long long) event->value.publish.completed,
 149               (unsigned long long) event->value.publish.size,
 150               event->value.publish.specifics.progress.depth,
 151               (unsigned long long) event->value.publish.specifics.progress.offset);
 152 #endif
 153       break;
 154     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 155       printf ("Publishing complete, %llu kbps.\n",
 156               (unsigned long long) (FILESIZE * 1000 / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024));
 157       start = GNUNET_TIME_absolute_get ();
 158       unindex = GNUNET_FS_unindex_start (fs,
 159                                          fn,
 160                                          "unindex");
 161       GNUNET_assert (unindex != NULL);
 162       break;
 163     case GNUNET_FS_STATUS_UNINDEX_COMPLETED:
 164       printf ("Unindex complete,  %llu kbps.\n",
 165               (unsigned long long) (FILESIZE * 1000 / (1+GNUNET_TIME_absolute_get_duration (start).value) / 1024));
 166       GNUNET_SCHEDULER_add_continuation (sched,
 167                                          &abort_unindex_task,
 168                                          NULL,
 169                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 170       break;
 171     case GNUNET_FS_STATUS_UNINDEX_PROGRESS:
 172       consider_restart (event->status);
 173       GNUNET_assert (unindex == event->value.unindex.uc);
 174 #if VERBOSE
 175       printf ("Unindex is progressing (%llu/%llu at level %u off %llu)...\n",
 176               (unsigned long long) event->value.unindex.completed,
 177               (unsigned long long) event->value.unindex.size,
 178               event->value.unindex.specifics.progress.depth,
 179               (unsigned long long) event->value.unindex.specifics.progress.offset);
 180 #endif
 181       break;
 182     case GNUNET_FS_STATUS_PUBLISH_SUSPEND:
 183       if  (event->value.publish.pc == publish)
 184         publish = NULL;
 185       break;
 186     case GNUNET_FS_STATUS_PUBLISH_RESUME:
 187       if (NULL == publish)
 188         {
 189           publish = event->value.publish.pc;
 190           return "publish-context";
 191         }
 192       break;
 193     case GNUNET_FS_STATUS_UNINDEX_SUSPEND:
 194       GNUNET_assert (event->value.unindex.uc == unindex);
 195       unindex = NULL;
 196       break;
 197     case GNUNET_FS_STATUS_UNINDEX_RESUME:
 198       GNUNET_assert (NULL == unindex);
 199       unindex = event->value.unindex.uc;
 200       return "unindex";
 201     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 202       fprintf (stderr,
 203                "Error publishing file: %s\n",
 204                event->value.publish.specifics.error.message);
 205       GNUNET_break (0);
 206       GNUNET_SCHEDULER_add_continuation (sched,
 207                                          &abort_publish_task,
 208                                          NULL,
 209                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 210       break;
 211     case GNUNET_FS_STATUS_UNINDEX_ERROR:
 212       fprintf (stderr,
 213                "Error unindexing file: %s\n",
 214                event->value.unindex.specifics.error.message);
 215       GNUNET_SCHEDULER_add_continuation (sched,
 216                                          &abort_unindex_task,
 217                                          NULL,
 218                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 219       break;
 220     case GNUNET_FS_STATUS_PUBLISH_START:
 221       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 222       GNUNET_assert (NULL == event->value.publish.pctx);
 223       GNUNET_assert (FILESIZE == event->value.publish.size);
 224       GNUNET_assert (0 == event->value.publish.completed);
 225       GNUNET_assert (1 == event->value.publish.anonymity);
 226       break;
 227     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 228       GNUNET_assert (publish == event->value.publish.pc);
 229       GNUNET_assert (FILESIZE == event->value.publish.size);
 230       GNUNET_assert (1 == event->value.publish.anonymity);
 231       GNUNET_FS_stop (fs);
 232       fs = NULL;
 233       break;
 234     case GNUNET_FS_STATUS_UNINDEX_START:
 235       consider_restart (event->status);
 236       GNUNET_assert (unindex == NULL);
 237       GNUNET_assert (0 == strcmp ("unindex", event->value.unindex.cctx));
 238       GNUNET_assert (0 == strcmp (fn, event->value.unindex.filename));
 239       GNUNET_assert (FILESIZE == event->value.unindex.size);
 240       GNUNET_assert (0 == event->value.unindex.completed);
 241       break;
 242     case GNUNET_FS_STATUS_UNINDEX_STOPPED:
 243       GNUNET_assert (unindex == event->value.unindex.uc);
 244       GNUNET_SCHEDULER_add_continuation (sched,
 245                                          &abort_publish_task,
 246                                          NULL,
 247                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 248       break;
 249     default:
 250       printf ("Unexpected event: %d\n",
 251               event->status);
 252       break;
 253     }
 254   return NULL;
 255 }
 256
 257
 258 static void
 259 setup_peer (struct PeerContext *p, const char *cfgname)
 260 {
 261   p->cfg = GNUNET_CONFIGURATION_create ();
 262 #if START_ARM
 263   p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 264                                         "gnunet-service-arm",
 265 #if VERBOSE
 266                                         "-L", "DEBUG",
 267 #endif
 268                                         "-c", cfgname, NULL);
 269 #endif
 270   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 271 }
 272
 273
 274 static void
 275 stop_arm (struct PeerContext *p)
 276 {
 277 #if START_ARM
 278   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 279     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 280   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 281     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 282   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 283               "ARM process %u stopped\n", p->arm_pid);
 284 #endif
 285   GNUNET_CONFIGURATION_destroy (p->cfg);
 286 }
 287
 288
 289 static void
 290 run (void *cls,
 291      struct GNUNET_SCHEDULER_Handle *s,
 292      char *const *args,
 293      const char *cfgfile,
 294      const struct GNUNET_CONFIGURATION_Handle *c)
 295 {
 296   const char *keywords[] = {
 297     "down_foo",
 298     "down_bar",
 299   };
 300   char *buf;
 301   struct GNUNET_CONTAINER_MetaData *meta;
 302   struct GNUNET_FS_Uri *kuri;
 303   struct GNUNET_FS_FileInformation *fi;
 304   size_t i;
 305
 306   sched = s;
 307   cfg = c;
 308   setup_peer (&p1, "test_fs_unindex_data.conf");
 309   fn = GNUNET_DISK_mktemp ("gnunet-unindex-test-dst");
 310   fs = GNUNET_FS_start (sched,
 311                         cfg,
 312                         "test-fs-unindex-persistence",
 313                         &progress_cb,
 314                         NULL,
 315                         GNUNET_FS_FLAGS_PERSISTENCE,
 316                         GNUNET_FS_OPTIONS_END);
 317   GNUNET_assert (NULL != fs);
 318   buf = GNUNET_malloc (FILESIZE);
 319   for (i = 0; i < FILESIZE; i++)
 320     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 321   GNUNET_assert (FILESIZE ==
 322                  GNUNET_DISK_fn_write (fn,
 323                                        buf,
 324                                        FILESIZE,
 325                                        GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE));
 326   GNUNET_free (buf);
 327   meta = GNUNET_CONTAINER_meta_data_create ();
 328   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 329   fi = GNUNET_FS_file_information_create_from_file (fs,
 330                                                     "publish-context",
 331                                                     fn,
 332                                                     kuri,
 333                                                     meta,
 334                                                     GNUNET_YES,
 335                                                     1,
 336                                                     42,
 337                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 338   GNUNET_FS_uri_destroy (kuri);
 339   GNUNET_CONTAINER_meta_data_destroy (meta);
 340   GNUNET_assert (NULL != fi);
 341   start = GNUNET_TIME_absolute_get ();
 342   publish = GNUNET_FS_publish_start (fs,
 343                                     fi,
 344                                     NULL, NULL, NULL,
 345                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 346   GNUNET_assert (publish != NULL);
 347 }
 348
 349
 350 int
 351 main (int argc, char *argv[])
 352 {
 353   char *const argvx[] = {
 354     "test-fs-unindex",
 355     "-c",
 356     "test_fs_unindex_data.conf",
 357 #if VERBOSE
 358     "-L", "DEBUG",
 359 #endif
 360     NULL
 361   };
 362   struct GNUNET_GETOPT_CommandLineOption options[] = {
 363     GNUNET_GETOPT_OPTION_END
 364   };
 365
 366   GNUNET_log_setup ("test_fs_unindex_persistence",
 367 #if VERBOSE
 368                     "DEBUG",
 369 #else
 370                     "WARNING",
 371 #endif
 372                     NULL);
 373   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 374                       argvx, "test-fs-unindex",
 375                       "nohelp", options, &run, NULL);
 376   stop_arm (&p1);
 377   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-unindex/");
 378   if (NULL != fn)
 379     {
 380       GNUNET_DISK_directory_remove (fn);
 381       GNUNET_free (fn);
 382     }
 383   return 0;
 384 }
 385
 386 /* end of test_fs_unindex_persistence.c */